1 files changed, 82 insertions, 0 deletions
diff --git a/src/conf_mode/ntp.py b/src/conf_mode/ntp.py
new file mode 100755
index 000000000..bba8f87a4
--- /dev/null
+++ b/src/conf_mode/ntp.py
@@ -0,0 +1,82 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2018-2020 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+
+from vyos.config import Config
+from vyos.configverify import verify_vrf
+from vyos import ConfigError
+from vyos.util import call
+from vyos.template import render
+from vyos import airbag
+airbag.enable()
+
+config_file = r'/etc/ntp.conf'
+systemd_override = r'/etc/systemd/system/ntp.service.d/override.conf'
+
+def get_config():
+    conf = Config()
+    base = ['system', 'ntp']
+
+    ntp = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True)
+    return ntp
+
+def verify(ntp):
+    # bail out early - looks like removal from running config
+    if not ntp:
+        return None
+
+    if len(ntp.get('allow_clients', {})) and not (len(ntp.get('server', {})) > 0):
+        raise ConfigError('NTP server not configured')
+
+    verify_vrf(ntp)
+    return None
+
+def generate(ntp):
+    # bail out early - looks like removal from running config
+    if not ntp:
+        return None
+
+    render(config_file, 'ntp/ntp.conf.tmpl', ntp, trim_blocks=True)
+    render(systemd_override, 'ntp/override.conf.tmpl', ntp, trim_blocks=True)
+
+    return None
+
+def apply(ntp):
+    if not ntp:
+        # NTP support is removed in the commit
+        call('systemctl stop ntp.service')
+        if os.path.exists(config_file):
+            os.unlink(config_file)
+        if os.path.isfile(systemd_override):
+            os.unlink(systemd_override)
+
+    # Reload systemd manager configuration
+    call('systemctl daemon-reload')
+    if ntp:
+        call('systemctl restart ntp.service')
+
+    return None
+
+if __name__ == '__main__':
+    try:
+        c = get_config()
+        verify(c)
+        generate(c)
+        apply(c)
+    except ConfigError as e:
+        print(e)
+        exit(1)